{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "In the total population ( N = 95 ) , median OS was significantly longer in patients with baseline CA 19 - 9 values at or below the median than in those with values above it ( 12 . 2 months [ 95 % confidence interval ( CI ) , 8 . 6 - 16 . 6 % ] vs 5 . 0 months [ 95 % CI , 3 . 9 - 5 . 7 % ] ; P < 0 . 0001 ) ."}
{"Anatomy": []}